<!-- 组件入口 -->
<template>
  <div class="app-container">
    <!-- 顶部header区域 -->
    <mt-header fixed title="Vue商城项目">
      <span @click="goBack" slot="left" v-show="flag">
        <mt-button icon="back">返回</mt-button>
      </span>
    </mt-header>
    <!-- 中间的路由router-view区域 -->
    <transition mode="out-in">
      <router-view></router-view>
    </transition>
    <!-- 底部tabber区域 -->
    <nav class="mui-bar mui-bar-tab">
      <router-link class="mui-tab-item-jgk" to="/home">
        <span class="mui-icon mui-icon-home"></span>
        <span class="mui-tab-label">首页</span>
      </router-link>
      <router-link class="mui-tab-item-jgk" to="/member">
        <span class="mui-icon mui-icon-contact"></span>
        <span class="mui-tab-label">会员</span>
      </router-link>
      <router-link class="mui-tab-item-jgk" to="/shopcar">
        <span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span class="mui-badge" id="badge">{{$store.getters.getAllCount}}</span></span>
        <span class="mui-tab-label">购物车</span>
      </router-link>
      <router-link class="mui-tab-item-jgk" to="/search">
        <span class="mui-icon mui-icon-search"></span>
        <span class="mui-tab-label">搜索</span>
      </router-link>
    </nav>
  </div>
</template>
<script>
export default{
  data(){
    return{
      flag:false
    };
  },
  methods:{
    goBack(){
      //点击后退
      this.$router.go(-1)
    }
  },
  created(){
    this.flag = this.$route.path === '/home'? false : true
  },
  watch:{
    '$route.path':function(newVal){
      if(newVal==='/home'){
        this.flag = false
      }else{
        this.flag = true
      }
    }
  }
};
</script>


<style scoped>
  .mint-header{
    z-index: 99
  }
  .app-container {
    padding-top: 40px;
    padding-bottom: 50px;
    overflow-x: hidden;
  }
  /*进入滚动时动画向左进入*/
  .v-enter{
    opacity: 0;
    transform: translate(100%);
  }
  /*消失滚动时动画向左消失*/
  .v-leave-to{
    opacity: 0;
    transform: translate(-100%);
    position: absolute;
  }
  .v-enter-active,
  .v-leave-active{
    transition: all 0.5s ease;
  }

  /*改类名，解决tabbar点击无法切换的问题*/
  .mui-bar-tab .mui-tab-item-jgk.mui-active {
    color: #007aff;
  }

  .mui-bar-tab .mui-tab-item-jgk {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
  }

  .mui-bar-tab .mui-tab-item-jgk .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
  }

  .mui-bar-tab .mui-tab-item-jgk .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
  }
</style>
